Home / 13,033.11-17,985.24-7,724.77

Finding the Fourth Proportional to 13,033.11, 17,985.24 and 7,724.77

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Solution

The fourth proportional to 13,033.11, 17,985.24 and 7,724.77 is: 10,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.11 : 17,985.24 = 7,724.77 : x
  2. Step 2: Convert to fraction form
    13,033.11/17,985.24 = 7,724.77/x
  3. Step 3: Cross multiply
    13,033.11x = 17,985.24 × 7,724.77
  4. Step 4: Simplify right side
    13,033.11x = 138,931,842.39
  5. Step 5: Solve for x
    x = 138,931,842.39/13,033.11
  6. Step 6: Final answer
    x = 10,659.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.